"I regret nothing" [Ben Khalifa:"Ich bereue nichts"] (in German). Blick.ch. 5 October 2010. Retrieved 25 July 2014.
"YB drops out after draw against Braga" [Nach Skandal-Rot für Ben KhalifaYB scheidet nach Remis gegen Braga aus] (in German). Blick.ch. 25 August 2011. Retrieved 25 July 2014.